body {
    font-family: Arial, sans-serif;
    padding: 10px;
    width: 600px;
    box-sizing: border-box;
  }
  
  h2 {
    margin-bottom: 15px;
  }
  
  form {
    display: flex;
    flex-direction: column;
  }
  
  .form-group {
    margin-bottom: 10px;
  }
  
  label {
    display: block;
    margin-bottom: 5px;
  }
  
  #urlSettingsTable {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 10px;
  }
  
  #urlSettingsTable th,
  #urlSettingsTable td {
    padding: 5px;
    text-align: center;
    border: 1px solid #ddd;
  }
  
  #urlSettingsTable th {
    background-color: #f2f2f2;
    font-weight: bold;
    white-space: nowrap;
    font-size: 13px;
    padding: 4px;
  }
  
  #urlSettingsTable td:nth-child(1) { /* URL Pattern column */
    text-align: left;
    min-width: 120px;
  }
  
  #urlSettingsTable td:nth-child(2) { /* Warning Text column */
    text-align: left;
    min-width: 100px;
  }
  
  #urlSettingsTable td:nth-child(3),  /* BG Color column */
  #urlSettingsTable td:nth-child(4) { /* Text Color column */
    text-align: center;
    width: 60px;
  }
  
  #urlSettingsTable td:nth-child(5) { /* Actions column */
    text-align: center;
    width: 55px;
  }
  
  .color-picker-cell {
    padding: 5px !important;
    vertical-align: top;
    min-width: 60px;
  }
  
  .color-opacity-cell {
    padding: 0 !important;
  }
  
  .color-opacity-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 5px;
  }
  
  .background-color-input {
    width: 100%;
    height: 30px;
    border: none;
    border-radius: 4px;
  }
  
  .opacity-label {
    font-size: 11px;
    color: #666;
    margin: 0;
    text-align: center;
    width: 100%;
  }
  
  .opacity-input {
    width: 100%;
  }
  
  .input-field {
    width: 100%;
    padding: 5px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  
  textarea.input-field {
    resize: vertical;
  }
  
  .save-button {
    margin-top: 10px;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
  }
  
  .save-button:hover {
    background-color: #45a049;
  }
  
  .save-changes-button {
    margin-top: 10px;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
  }
  
  .save-changes-button:hover {
    background-color: #45a049;
  }
  
  .add-url-button {
    margin-top: 10px;
    padding: 10px;
    background-color: #2196F3;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
  }
  
  .add-url-button:hover {
    background-color: #0b7dda;
  }
  
  .delete-button {
    margin: 0;
    padding: 2px 5px;
    background-color: #f44336;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    width: auto;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .delete-button:hover {
    background-color: #d32f2f;
  }
  
  hr {
    margin: 15px 0;
  }
  
  .button-container {
    display: flex;
    gap: 10px;
    margin-top: 10px;
  }
  
  .add-url-button {
    margin: 0;
  }
  
  .save-changes-button {
    margin: 0;
  }
  
  /* Tab container */
  .tab-container {
    margin-top: 10px;
  }
  
  .tab-buttons {
    display: flex;
    border-bottom: 1px solid #ddd;
    margin-bottom: 15px;
  }
  
  .tab-button {
    background-color: #f1f1f1;
    border: 1px solid #ddd;
    border-bottom: none;
    padding: 8px 16px;
    cursor: pointer;
    border-radius: 4px 4px 0 0;
    margin-right: 2px;
  }
  
  .tab-button:hover {
    background-color: #ddd;
  }
  
  .tab-button.active {
    background-color: #fff;
    border-bottom: 1px solid #fff;
    margin-bottom: -1px;
    font-weight: bold;
  }
  
  .tab-content {
    min-height: 200px;
  }
  
  .tab-pane {
    display: none;
  }
  
  .tab-pane.active {
    display: block;
  }
  
  .tab-pane h3 {
    margin-top: 0;
    margin-bottom: 10px;
  }
  
  /* Position options grid */
  .position-options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 10px;
    margin: 15px 0;
  }
  
  .radio-grid-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: #f9f9f9;
  }
  
  .radio-grid-option:hover {
    border-color: #2196F3;
    background-color: #e3f2fd;
  }
  
  .radio-grid-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
  }
  
  .radio-grid-option input[type="radio"]:checked + .position-label {
    font-weight: bold;
    color: #2196F3;
  }
  
  .radio-grid-option input[type="radio"]:checked {
    background-color: #2196F3;
  }
  
  .position-label {
    margin-top: 5px;
    font-size: 14px;
    text-align: center;
  }
  
  /* Settings tab styles */
  .settings-section {
    padding: 15px 0;
  }
  
  .settings-section p {
    margin-bottom: 15px;
  }